140012011213421 has 8 divisors (see below), whose sum is σ = 156050538814080. Its totient is φ = 124840431050688.

The previous prime is 140012011213397. The next prime is 140012011213423. The reversal of 140012011213421 is 124312110210041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140012011213421 - 2¹⁸ = 140012010951277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140012011213423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216736859141 + ... + 216736859786.

It is an arithmetic number, because the mean of its divisors is an integer number (19506317351760).

Almost surely, 2^{140012011213421} is an apocalyptic number.

It is an amenable number.

140012011213421 is a deficient number, since it is larger than the sum of its proper divisors (16038527600659).

140012011213421 is a wasteful number, since it uses less digits than its factorization.

140012011213421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433473718963.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 140012011213421 its reverse (124312110210041), we get a palindrome (264324121423462).

The spelling of 140012011213421 in words is "one hundred forty trillion, twelve billion, eleven million, two hundred thirteen thousand, four hundred twenty-one".